Home / 168,025.20-231,772.26-99,996.60

Finding the Fourth Proportional to 168,025.20, 231,772.26 and 99,996.60

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Solution

The fourth proportional to 168,025.20, 231,772.26 and 99,996.60 is: 137,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.20 : 231,772.26 = 99,996.60 : x
  2. Step 2: Convert to fraction form
    168,025.20/231,772.26 = 99,996.60/x
  3. Step 3: Cross multiply
    168,025.20x = 231,772.26 × 99,996.60
  4. Step 4: Simplify right side
    168,025.20x = 23,176,437,974.32
  5. Step 5: Solve for x
    x = 23,176,437,974.32/168,025.20
  6. Step 6: Final answer
    x = 137,934.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.